diff --git a/releasenotes/notes/blocking-executor-deprecated-895146c1c3bf2f51.yaml b/releasenotes/notes/blocking-executor-deprecated-895146c1c3bf2f51.yaml
new file mode 100644
index 000000000..93c2b0ef7
--- /dev/null
+++ b/releasenotes/notes/blocking-executor-deprecated-895146c1c3bf2f51.yaml
@@ -0,0 +1,6 @@
+---
+deprecations:
+  - The blocking executor has been deprecated for removal in Rocky. Its usage
+    was never recommended for applications, and it has no test coverage.
+    Applications should choose the appropriate threading model that maps their
+    usage instead.